code: def test_floats(self, coef, x, expected):
      result = polyval(coef, x)
      np.testing.assert_allclose(result.cpu().numpy(), expected)
  
file_path: MONAI/tests/test_polyval.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from monai.networks.layers import polyval
label_desc: Use image node_id 1 for calling the TestPolyval obj's underlying member method code with example usage: obj.test_floats(coef, x, expected) without return types